1. Adding and Subtracting Rational Expressions
World 1-11
Adding and Subtracting Rational Expressions

2. Recall that to add fractions together you first need to have everything over a
common denominator.
STEPS: Adding and Subtracting rats
Step 1: Factor and reduce each fraction
Step 2: Find a common denominator and change
numerators
Step 3: Perform the operations
Step 4: Factor again and reduce if possible
Step 5: State restrictions

3. Ex. 1
Simplify and state restrictions

5. a b
Ex. 2
Use the property a d + b c + = c d c d

6. Subtract these rational expressions

8. Homework
World 1-11